]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/dcclient.cpp
make cast from double to long explicit to suppress gcc warning (part of patch 1962992)
[wxWidgets.git] / src / gtk / dcclient.cpp
index 7278c64129f4b09663b803eee46413ced99bce97..10abb80eb39f398796cce2e1a3c6ed1a4c31ad64 100644 (file)
 #include "horiz.xbm"
 #include "verti.xbm"
 #include "cross.xbm"
-#define  num_hatches 6
 
-#define IS_15_PIX_HATCH(s) ((s)==wxCROSSDIAG_HATCH || (s)==wxHORIZONTAL_HATCH || (s)==wxVERTICAL_HATCH)
-#define IS_16_PIX_HATCH(s) ((s)!=wxCROSSDIAG_HATCH && (s)!=wxHORIZONTAL_HATCH && (s)!=wxVERTICAL_HATCH)
-
-
-static GdkPixmap  *hatches[num_hatches];
-static GdkPixmap **hatch_bitmap = (GdkPixmap **) NULL;
+static GdkPixmap* hatches[wxBRUSHSTYLE_LAST_HATCH - wxBRUSHSTYLE_FIRST_HATCH + 1];
 
 extern GtkWidget *wxGetRootWindow();
 
@@ -78,6 +72,37 @@ static inline double dmin(double a, double b) { return a < b ? a : b; }
 
 static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; }
 
+static GdkPixmap* GetHatch(int style)
+{
+    wxASSERT(style >= wxBRUSHSTYLE_FIRST_HATCH && style <= wxBRUSHSTYLE_LAST_HATCH);
+    const int i = style - wxBRUSHSTYLE_FIRST_HATCH;
+    if (hatches[i] == NULL)
+    {
+        switch (style)
+        {
+        case wxBRUSHSTYLE_BDIAGONAL_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, bdiag_bits, bdiag_width, bdiag_height);
+            break;
+        case wxBRUSHSTYLE_CROSSDIAG_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, cdiag_bits, cdiag_width, cdiag_height);
+            break;
+        case wxBRUSHSTYLE_CROSS_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, cross_bits, cross_width, cross_height);
+            break;
+        case wxBRUSHSTYLE_FDIAGONAL_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, fdiag_bits, fdiag_width, fdiag_height);
+            break;
+        case wxBRUSHSTYLE_HORIZONTAL_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, horiz_bits, horiz_width, horiz_height);
+            break;
+        case wxBRUSHSTYLE_VERTICAL_HATCH:
+            hatches[i] = gdk_bitmap_create_from_data(NULL, verti_bits, verti_width, verti_height);
+            break;
+        }
+    }
+    return hatches[i];
+}
+
 //-----------------------------------------------------------------------------
 // temporary implementation of the missing GDK function
 //-----------------------------------------------------------------------------
@@ -424,17 +449,6 @@ void wxWindowDCImpl::SetUpDC( bool isMemDC )
     gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
     gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
     gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
-
-    if (!hatch_bitmap)
-    {
-        hatch_bitmap    = hatches;
-        hatch_bitmap[0] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, bdiag_bits, bdiag_width, bdiag_height );
-        hatch_bitmap[1] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cdiag_bits, cdiag_width, cdiag_height );
-        hatch_bitmap[2] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, fdiag_bits, fdiag_width, fdiag_height );
-        hatch_bitmap[3] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, cross_bits, cross_width, cross_height );
-        hatch_bitmap[4] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, horiz_bits, horiz_width, horiz_height );
-        hatch_bitmap[5] = gdk_bitmap_create_from_data( (GdkWindow *) NULL, verti_bits, verti_width, verti_height );
-    }
 }
 
 void wxWindowDCImpl::DoGetSize( int* width, int* height ) const
@@ -489,7 +503,7 @@ void wxWindowDCImpl::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+    if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
     {
         if (m_gdkwindow)
             gdk_draw_line( m_gdkwindow, m_penGC, XLOG2DEV(x1), YLOG2DEV(y1), XLOG2DEV(x2), YLOG2DEV(y2) );
@@ -503,7 +517,7 @@ void wxWindowDCImpl::DoCrossHair( wxCoord x, wxCoord y )
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+    if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
     {
         int w = 0;
         int h = 0;
@@ -518,6 +532,46 @@ void wxWindowDCImpl::DoCrossHair( wxCoord x, wxCoord y )
     }
 }
 
+void wxWindowDCImpl::DrawingSetup(GdkGC*& gc, bool& originChanged)
+{
+    gc = m_brushGC;
+    GdkPixmap* pixmap = NULL;
+    const int style = m_brush.GetStyle();
+
+    if (style == wxBRUSHSTYLE_STIPPLE || style == wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE)
+    {
+        const wxBitmap* stipple = m_brush.GetStipple();
+        if (stipple->IsOk())
+        {
+            if (style == wxBRUSHSTYLE_STIPPLE)
+                pixmap = stipple->GetPixmap();
+            else if (stipple->GetMask())
+            {
+                pixmap = stipple->GetPixmap();
+                gc = m_textGC;
+            }
+        }
+    }
+    else if (m_brush.IsHatch())
+    {
+        pixmap = GetHatch(style);
+    }
+
+    int origin_x = 0;
+    int origin_y = 0;
+    if (pixmap)
+    {
+        int w, h;
+        gdk_drawable_get_size(pixmap, &w, &h);
+        origin_x = m_deviceOriginX % w;
+        origin_y = m_deviceOriginY % h;
+    }
+
+    originChanged = origin_x || origin_y;
+    if (originChanged)
+        gdk_gc_set_ts_origin(gc, origin_x, origin_y);
+}
+
 void wxWindowDCImpl::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
                             wxCoord xc, wxCoord yc )
 {
@@ -561,47 +615,23 @@ void wxWindowDCImpl::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2,
 
     if (m_gdkwindow)
     {
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
-            {
-                gdk_gc_set_ts_origin( m_textGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_arc( m_gdkwindow, m_textGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
-                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
-            } else
-            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (m_brush.GetStyle() == wxSTIPPLE)
-            {
-                gdk_gc_set_ts_origin( m_brushGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            }
-            else
-            {
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_arc(m_gdkwindow, gc, true, xxc-r, yyc-r, 2*r, 2*r, alpha1, alpha2);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
         {
             gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 );
 
-            if ((m_brush.GetStyle() != wxTRANSPARENT) && (alpha2 - alpha1 != 360*64))
+            if ((m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT) && (alpha2 - alpha1 != 360*64))
             {
                 gdk_draw_line( m_gdkwindow, m_penGC, xx1, yy1, xxc, yyc );
                 gdk_draw_line( m_gdkwindow, m_penGC, xxc, yyc, xx2, yy2 );
@@ -631,43 +661,19 @@ void wxWindowDCImpl::DoDrawEllipticArc( wxCoord x, wxCoord y, wxCoord width, wxC
         wxCoord start = wxCoord(sa * 64.0);
         wxCoord end = wxCoord((ea-sa) * 64.0);
 
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
-            {
-                gdk_gc_set_ts_origin( m_textGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_arc( m_gdkwindow, m_textGC, TRUE, xx, yy, ww, hh, start, end );
-                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
-            } else
-            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (m_brush.GetStyle() == wxSTIPPLE)
-            {
-                gdk_gc_set_ts_origin( m_brushGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            }
-            else
-            {
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, start, end );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_arc(m_gdkwindow, gc, true, xx, yy, ww, hh, start, end);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
             gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx, yy, ww, hh, start, end );
     }
 
@@ -679,7 +685,7 @@ void wxWindowDCImpl::DoDrawPoint( wxCoord x, wxCoord y )
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
-    if ((m_pen.GetStyle() != wxTRANSPARENT) && m_gdkwindow)
+    if ((m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT) && m_gdkwindow)
         gdk_draw_point( m_gdkwindow, m_penGC, XLOG2DEV(x), YLOG2DEV(y) );
 
     CalcBoundingBox (x, y);
@@ -689,7 +695,7 @@ void wxWindowDCImpl::DoDrawLines( int n, wxPoint points[], wxCoord xoffset, wxCo
 {
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
-    if (m_pen.GetStyle() == wxTRANSPARENT) return;
+    if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
     if (n <= 0) return;
 
     //Check, if scaling is necessary
@@ -748,43 +754,19 @@ void wxWindowDCImpl::DoDrawPolygon( int n, wxPoint points[], wxCoord xoffset, wx
 
     if (m_gdkwindow)
     {
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
-            {
-                gdk_gc_set_ts_origin( m_textGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_polygon( m_gdkwindow, m_textGC, TRUE, gdkpoints, n );
-                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
-            } else
-            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
-                gdk_draw_polygon( m_gdkwindow, m_brushGC, TRUE, gdkpoints, n );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
-                gdk_draw_polygon( m_gdkwindow, m_brushGC, TRUE, gdkpoints, n );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (m_brush.GetStyle() == wxSTIPPLE)
-            {
-                gdk_gc_set_ts_origin( m_brushGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_polygon( m_gdkwindow, m_brushGC, TRUE, gdkpoints, n );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            }
-            else
-            {
-                gdk_draw_polygon( m_gdkwindow, m_brushGC, TRUE, gdkpoints, n );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_polygon(m_gdkwindow, gc, true, gdkpoints, n);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
         {
 /*
             for (i = 0 ; i < n ; i++)
@@ -823,47 +805,23 @@ void wxWindowDCImpl::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoo
 
     if (m_gdkwindow)
     {
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
-            {
-                gdk_gc_set_ts_origin( m_textGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_rectangle( m_gdkwindow, m_textGC, TRUE, xx, yy, ww, hh );
-                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
-            } else
-            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (m_brush.GetStyle() == wxSTIPPLE)
-            {
-                gdk_gc_set_ts_origin( m_brushGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            }
-            else
-            {
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_rectangle(m_gdkwindow, gc, true, xx, yy, ww, hh);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
         {
 #if 1
             if ((m_pen.GetWidth() == 2) && (m_pen.GetCap() == wxCAP_ROUND) &&
-                (m_pen.GetJoin() == wxJOIN_ROUND) && (m_pen.GetStyle() == wxSOLID))
+                (m_pen.GetJoin() == wxJOIN_ROUND) && (m_pen.GetStyle() == wxPENSTYLE_SOLID))
             {
                 // Use 2 1-line rects instead
                 gdk_gc_set_line_attributes( m_penGC, 1, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND );
@@ -925,7 +883,7 @@ void wxWindowDCImpl::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width
 
     // CMB: adjust size if outline is drawn otherwise the result is
     // 1 pixel too wide and high
-    if (m_pen.GetStyle() != wxTRANSPARENT)
+    if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
     {
         ww--;
         hh--;
@@ -940,68 +898,24 @@ void wxWindowDCImpl::DoDrawRoundedRectangle( wxCoord x, wxCoord y, wxCoord width
         if (dd > hh) dd = hh;
         rr = dd / 2;
 
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
-            {
-                gdk_gc_set_ts_origin( m_textGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_rectangle( m_gdkwindow, m_textGC, TRUE, xx+rr, yy, ww-dd+1, hh );
-                gdk_draw_rectangle( m_gdkwindow, m_textGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
-                gdk_draw_arc( m_gdkwindow, m_textGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_textGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_textGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_textGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
-                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
-            } else
-            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (m_brush.GetStyle() == wxSTIPPLE)
-            {
-                gdk_gc_set_ts_origin( m_brushGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            }
-            else
-            {
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx+rr, yy, ww-dd+1, hh );
-                gdk_draw_rectangle( m_gdkwindow, m_brushGC, TRUE, xx, yy+rr, ww, hh-dd+1 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, dd, dd, 90*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy, dd, dd, 0, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy+hh-dd, dd, dd, 180*64, 90*64 );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_rectangle(m_gdkwindow, gc, true, xx+rr, yy, ww-dd+1, hh);
+            gdk_draw_rectangle(m_gdkwindow, gc, true, xx, yy+rr, ww, hh-dd+1);
+            gdk_draw_arc(m_gdkwindow, gc, true, xx, yy, dd, dd, 90*64, 90*64);
+            gdk_draw_arc(m_gdkwindow, gc, true, xx+ww-dd, yy, dd, dd, 0, 90*64);
+            gdk_draw_arc(m_gdkwindow, gc, true, xx+ww-dd, yy+hh-dd, dd, dd, 270*64, 90*64);
+            gdk_draw_arc(m_gdkwindow, gc, true, xx, yy+hh-dd, dd, dd, 180*64, 90*64);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
         {
             gdk_draw_line( m_gdkwindow, m_penGC, xx+rr+1, yy, xx+ww-rr, yy );
             gdk_draw_line( m_gdkwindow, m_penGC, xx+rr+1, yy+hh, xx+ww-rr, yy+hh );
@@ -1034,43 +948,19 @@ void wxWindowDCImpl::DoDrawEllipse( wxCoord x, wxCoord y, wxCoord width, wxCoord
 
     if (m_gdkwindow)
     {
-        if (m_brush.GetStyle() != wxTRANSPARENT)
+        if (m_brush.GetStyle() != wxBRUSHSTYLE_TRANSPARENT)
         {
-            if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
-            {
-                gdk_gc_set_ts_origin( m_textGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_arc( m_gdkwindow, m_textGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
-                gdk_gc_set_ts_origin( m_textGC, 0, 0 );
-            } else
-            if (IS_15_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 15, m_deviceOriginY % 15 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (IS_16_PIX_HATCH(m_brush.GetStyle()))
-            {
-                gdk_gc_set_ts_origin( m_brushGC, m_deviceOriginX % 16, m_deviceOriginY % 16 );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            } else
-            if (m_brush.GetStyle() == wxSTIPPLE)
-            {
-                gdk_gc_set_ts_origin( m_brushGC,
-                                      m_deviceOriginX % m_brush.GetStipple()->GetWidth(),
-                                      m_deviceOriginY % m_brush.GetStipple()->GetHeight() );
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
-                gdk_gc_set_ts_origin( m_brushGC, 0, 0 );
-            }
-            else
-            {
-                gdk_draw_arc( m_gdkwindow, m_brushGC, TRUE, xx, yy, ww, hh, 0, 360*64 );
-            }
+            GdkGC* gc;
+            bool originChanged;
+            DrawingSetup(gc, originChanged);
+
+            gdk_draw_arc(m_gdkwindow, gc, true, xx, yy, ww, hh, 0, 360*64);
+
+            if (originChanged)
+                gdk_gc_set_ts_origin(gc, 0, 0);
         }
 
-        if (m_pen.GetStyle() != wxTRANSPARENT)
+        if (m_pen.GetStyle() != wxPENSTYLE_TRANSPARENT)
             gdk_draw_arc( m_gdkwindow, m_penGC, FALSE, xx, yy, ww, hh, 0, 360*64 );
     }
 
@@ -1542,72 +1432,52 @@ void wxWindowDCImpl::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
         pango_attr_list_unref(attrs);
     }
 
-    int w,h;
-
-    if (fabs(m_scaleY - 1.0) > 0.00001)
+    int oldSize = 0;
+    const bool isScaled = fabs(m_scaleY - 1.0) > 0.00001;
+    if (isScaled)
     {
          // If there is a user or actually any scale applied to
          // the device context, scale the font.
 
          // scale font description
-         gint oldSize = pango_font_description_get_size( m_fontdesc );
-         double size = oldSize;
-         size = size * m_scaleY;
-         pango_font_description_set_size( m_fontdesc, (gint)size );
+        oldSize = pango_font_description_get_size(m_fontdesc);
+        pango_font_description_set_size(m_fontdesc, int(oldSize * m_scaleY));
 
          // actually apply scaled font
          pango_layout_set_font_description( m_layout, m_fontdesc );
+    }
 
-         pango_layout_get_pixel_size( m_layout, &w, &h );
-         if ( m_backgroundMode == wxSOLID )
-         {
-            gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
-            gdk_draw_rectangle(m_gdkwindow, m_textGC, TRUE, x, y, w, h);
-            gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
-         }
+    int w, h;
+    pango_layout_get_pixel_size(m_layout, &w, &h);
+    if (m_backgroundMode == wxBRUSHSTYLE_SOLID)
+    {
+        gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
+        gdk_draw_rectangle(m_gdkwindow, m_textGC, true, x, y, w, h);
+        gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
+    }
 
-         // Draw layout.
-         if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
-             gdk_draw_layout( m_gdkwindow, m_textGC, x-w, y, m_layout );
-         else
-             gdk_draw_layout( m_gdkwindow, m_textGC, x, y, m_layout );
+    // Draw layout.
+    int x_rtl = x;
+    if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
+        x_rtl -= w;
+    gdk_draw_layout(m_gdkwindow, m_textGC, x_rtl, y, m_layout);
 
+    if (isScaled)
+    {
          // reset unscaled size
          pango_font_description_set_size( m_fontdesc, oldSize );
 
          // actually apply unscaled font
          pango_layout_set_font_description( m_layout, m_fontdesc );
     }
-    else
-    {
-        pango_layout_get_pixel_size( m_layout, &w, &h );
-        if ( m_backgroundMode == wxSOLID )
-        {
-            gdk_gc_set_foreground(m_textGC, m_textBackgroundColour.GetColor());
-            gdk_draw_rectangle(m_gdkwindow, m_textGC, TRUE, x, y, w, h);
-            gdk_gc_set_foreground(m_textGC, m_textForegroundColour.GetColor());
-        }
-
-        // Draw layout.
-        if (m_window && m_window->GetLayoutDirection() == wxLayout_RightToLeft)
-            gdk_draw_layout( m_gdkwindow, m_textGC, x-w, y, m_layout );
-        else
-            gdk_draw_layout( m_gdkwindow, m_textGC, x, y, m_layout );
-    }
-
     if (underlined)
     {
         // undo underline attributes setting:
         pango_layout_set_attributes(m_layout, NULL);
     }
 
-    wxCoord width = w;
-    wxCoord height = h;
-
-    width = wxCoord(width / m_scaleX);
-    height = wxCoord(height / m_scaleY);
-    CalcBoundingBox (x + width, y + height);
-    CalcBoundingBox (x, y);
+    CalcBoundingBox(x + int(w / m_scaleX), y + int(h / m_scaleY));
+    CalcBoundingBox(x, y);
 }
 
 
@@ -1743,7 +1613,7 @@ void wxWindowDCImpl::DoGetTextExtent(const wxString &string,
 
     // ensure that theFont is always non-NULL
     if ( !theFont || !theFont->IsOk() )
-        theFont = wx_const_cast(wxFont *, &m_font);
+        theFont = &m_font;
 
     // and use it if it's valid
     if ( theFont->IsOk() )
@@ -1763,24 +1633,19 @@ void wxWindowDCImpl::DoGetTextExtent(const wxString &string,
         return;
     }
 
-    pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
+    pango_layout_set_text(m_layout, dataUTF8, -1);
 
+    int h;
+    pango_layout_get_pixel_size(m_layout, width, &h);
     if (descent)
     {
-        int h;
-        pango_layout_get_pixel_size( m_layout, width, &h );
         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
         int baseline = pango_layout_iter_get_baseline(iter);
         pango_layout_iter_free(iter);
         *descent = h - PANGO_PIXELS(baseline);
-
-        if (height)
-            *height = (wxCoord) h;
-    }
-    else
-    {
-        pango_layout_get_pixel_size( m_layout, width, height );
     }
+    if (height)
+        *height = h;
 
     // Reset old font description
     if (theFont->IsOk())
@@ -1807,7 +1672,7 @@ bool wxWindowDCImpl::DoGetPartialTextExtents(const wxString& text,
         return false;
     }
 
-    pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
+    pango_layout_set_text(m_layout, dataUTF8, -1);
 
     // Calculate the position of each character based on the widths of
     // the previous characters
@@ -1939,57 +1804,39 @@ void wxWindowDCImpl::SetPen( const wxPen &pen )
     int req_nb_dash;
     const wxGTKDash *req_dash;
 
-    GdkLineStyle lineStyle = GDK_LINE_SOLID;
+    GdkLineStyle lineStyle = GDK_LINE_ON_OFF_DASH;
     switch (m_pen.GetStyle())
     {
-        case wxUSER_DASH:
-        {
-            lineStyle = GDK_LINE_ON_OFF_DASH;
+        case wxPENSTYLE_USER_DASH:
             req_nb_dash = m_pen.GetDashCount();
             req_dash = (wxGTKDash*)m_pen.GetDash();
             break;
-        }
-        case wxDOT:
-        {
-            lineStyle = GDK_LINE_ON_OFF_DASH;
+        case wxPENSTYLE_DOT:
             req_nb_dash = 2;
             req_dash = dotted;
             break;
-        }
-        case wxLONG_DASH:
-        {
-            lineStyle = GDK_LINE_ON_OFF_DASH;
+        case wxPENSTYLE_LONG_DASH:
             req_nb_dash = 2;
             req_dash = wxCoord_dashed;
             break;
-        }
-        case wxSHORT_DASH:
-        {
-            lineStyle = GDK_LINE_ON_OFF_DASH;
+        case wxPENSTYLE_SHORT_DASH:
             req_nb_dash = 2;
             req_dash = short_dashed;
             break;
-        }
-        case wxDOT_DASH:
-        {
-//            lineStyle = GDK_LINE_DOUBLE_DASH;
-            lineStyle = GDK_LINE_ON_OFF_DASH;
+        case wxPENSTYLE_DOT_DASH:
             req_nb_dash = 4;
             req_dash = dotted_dashed;
             break;
-        }
 
-        case wxTRANSPARENT:
-        case wxSTIPPLE_MASK_OPAQUE:
-        case wxSTIPPLE:
-        case wxSOLID:
+        case wxPENSTYLE_TRANSPARENT:
+        case wxPENSTYLE_STIPPLE_MASK_OPAQUE:
+        case wxPENSTYLE_STIPPLE:
+        case wxPENSTYLE_SOLID:
         default:
-        {
             lineStyle = GDK_LINE_SOLID;
             req_dash = (wxGTKDash*)NULL;
             req_nb_dash = 0;
             break;
-        }
     }
 
     if (req_dash && req_nb_dash)
@@ -2016,18 +1863,12 @@ void wxWindowDCImpl::SetPen( const wxPen &pen )
         case wxCAP_BUTT:       { capStyle = GDK_CAP_BUTT;       break; }
         case wxCAP_ROUND:
         default:
-        {
             if (width <= 1)
             {
                 width = 0;
                 capStyle = GDK_CAP_NOT_LAST;
             }
-            else
-            {
-                capStyle = GDK_CAP_ROUND;
-            }
             break;
-        }
     }
 
     GdkJoinStyle joinStyle = GDK_JOIN_ROUND;
@@ -2062,7 +1903,7 @@ void wxWindowDCImpl::SetBrush( const wxBrush &brush )
 
     gdk_gc_set_fill( m_brushGC, GDK_SOLID );
 
-    if ((m_brush.GetStyle() == wxSTIPPLE) && (m_brush.GetStipple()->IsOk()))
+    if ((m_brush.GetStyle() == wxBRUSHSTYLE_STIPPLE) && (m_brush.GetStipple()->IsOk()))
     {
         if (m_brush.GetStipple()->GetDepth() != 1)
         {
@@ -2076,7 +1917,7 @@ void wxWindowDCImpl::SetBrush( const wxBrush &brush )
         }
     }
 
-    if ((m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
+    if ((m_brush.GetStyle() == wxBRUSHSTYLE_STIPPLE_MASK_OPAQUE) && (m_brush.GetStipple()->GetMask()))
     {
         gdk_gc_set_fill( m_textGC, GDK_OPAQUE_STIPPLED);
         gdk_gc_set_stipple( m_textGC, m_brush.GetStipple()->GetMask()->GetBitmap() );
@@ -2085,8 +1926,7 @@ void wxWindowDCImpl::SetBrush( const wxBrush &brush )
     if (m_brush.IsHatch())
     {
         gdk_gc_set_fill( m_brushGC, GDK_STIPPLED );
-        int num = m_brush.GetStyle() - wxBDIAGONAL_HATCH;
-        gdk_gc_set_stipple( m_brushGC, hatches[num] );
+        gdk_gc_set_stipple(m_brushGC, GetHatch(m_brush.GetStyle()));
     }
 }
 
@@ -2105,33 +1945,38 @@ void wxWindowDCImpl::SetBackground( const wxBrush &brush )
 
     if (!m_gdkwindow) return;
 
-    m_backgroundBrush.GetColour().CalcPixel( m_cmap );
-    gdk_gc_set_background( m_brushGC, m_backgroundBrush.GetColour().GetColor() );
-    gdk_gc_set_background( m_penGC, m_backgroundBrush.GetColour().GetColor() );
-    gdk_gc_set_background( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
-    gdk_gc_set_foreground( m_bgGC, m_backgroundBrush.GetColour().GetColor() );
+    wxColor color = m_backgroundBrush.GetColour();
+    color.CalcPixel(m_cmap);
+    const GdkColor* gdkColor = color.GetColor();
+    gdk_gc_set_background(m_brushGC, gdkColor);
+    gdk_gc_set_background(m_penGC,   gdkColor);
+    gdk_gc_set_background(m_bgGC,    gdkColor);
+    gdk_gc_set_foreground(m_bgGC,    gdkColor);
+
 
     gdk_gc_set_fill( m_bgGC, GDK_SOLID );
 
-    if ((m_backgroundBrush.GetStyle() == wxSTIPPLE) && (m_backgroundBrush.GetStipple()->IsOk()))
+    if (m_backgroundBrush.GetStyle() == wxBRUSHSTYLE_STIPPLE)
     {
-        if (m_backgroundBrush.GetStipple()->GetDepth() != 1)
+        const wxBitmap* stipple = m_backgroundBrush.GetStipple();
+        if (stipple->IsOk())
         {
-            gdk_gc_set_fill( m_bgGC, GDK_TILED );
-            gdk_gc_set_tile( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
-        }
-        else
-        {
-            gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
-            gdk_gc_set_stipple( m_bgGC, m_backgroundBrush.GetStipple()->GetPixmap() );
+            if (stipple->GetDepth() != 1)
+            {
+                gdk_gc_set_fill(m_bgGC, GDK_TILED);
+                gdk_gc_set_tile(m_bgGC, stipple->GetPixmap());
+            }
+            else
+            {
+                gdk_gc_set_fill(m_bgGC, GDK_STIPPLED);
+                gdk_gc_set_stipple(m_bgGC, stipple->GetPixmap());
+            }
         }
     }
-
-    if (m_backgroundBrush.IsHatch())
+    else if (m_backgroundBrush.IsHatch())
     {
         gdk_gc_set_fill( m_bgGC, GDK_STIPPLED );
-        int num = m_backgroundBrush.GetStyle() - wxBDIAGONAL_HATCH;
-        gdk_gc_set_stipple( m_bgGC, hatches[num] );
+        gdk_gc_set_stipple(m_bgGC, GetHatch(m_backgroundBrush.GetStyle()));
     }
 }
 
@@ -2224,17 +2069,6 @@ void wxWindowDCImpl::SetBackgroundMode( int mode )
     wxCHECK_RET( IsOk(), wxT("invalid window dc") );
 
     m_backgroundMode = mode;
-
-    if (!m_gdkwindow) return;
-
-    // CMB 21/7/98: fill style of cross-hatch brushes is affected by
-    // transparent/solid background mode
-
-    if (m_brush.GetStyle() != wxSOLID && m_brush.GetStyle() != wxTRANSPARENT)
-    {
-        gdk_gc_set_fill( m_brushGC,
-          (m_backgroundMode == wxTRANSPARENT) ? GDK_STIPPLED : GDK_OPAQUE_STIPPLED);
-    }
 }
 
 void wxWindowDCImpl::SetPalette( const wxPalette& WXUNUSED(palette) )
@@ -2278,10 +2112,11 @@ void wxWindowDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, w
     wxDC::DoSetClippingRegion( xx, yy, ww, hh );
 #endif
 
-    gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
-    gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
-    gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
-    gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
+    GdkRegion* gdkRegion = m_currentClippingRegion.GetRegion();
+    gdk_gc_set_clip_region(m_penGC,   gdkRegion);
+    gdk_gc_set_clip_region(m_brushGC, gdkRegion);
+    gdk_gc_set_clip_region(m_textGC,  gdkRegion);
+    gdk_gc_set_clip_region(m_bgGC,    gdkRegion);
 }
 
 void wxWindowDCImpl::DoSetClippingRegionAsRegion( const wxRegion &region  )
@@ -2314,10 +2149,11 @@ void wxWindowDCImpl::DoSetClippingRegionAsRegion( const wxRegion &region  )
     wxDC::DoSetClippingRegion( xx, yy, ww, hh );
 #endif
 
-    gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
-    gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
-    gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
-    gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
+    GdkRegion* gdkRegion = m_currentClippingRegion.GetRegion();
+    gdk_gc_set_clip_region(m_penGC,   gdkRegion);
+    gdk_gc_set_clip_region(m_brushGC, gdkRegion);
+    gdk_gc_set_clip_region(m_textGC,  gdkRegion);
+    gdk_gc_set_clip_region(m_bgGC,    gdkRegion);
 }
 
 void wxWindowDCImpl::DestroyClippingRegion()
@@ -2339,20 +2175,14 @@ void wxWindowDCImpl::DestroyClippingRegion()
 
     if (!m_gdkwindow) return;
 
-    if (m_currentClippingRegion.IsEmpty())
-    {
-        gdk_gc_set_clip_rectangle( m_penGC, (GdkRectangle *) NULL );
-        gdk_gc_set_clip_rectangle( m_brushGC, (GdkRectangle *) NULL );
-        gdk_gc_set_clip_rectangle( m_textGC, (GdkRectangle *) NULL );
-        gdk_gc_set_clip_rectangle( m_bgGC, (GdkRectangle *) NULL );
-    }
-    else
-    {
-        gdk_gc_set_clip_region( m_penGC, m_currentClippingRegion.GetRegion() );
-        gdk_gc_set_clip_region( m_brushGC, m_currentClippingRegion.GetRegion() );
-        gdk_gc_set_clip_region( m_textGC, m_currentClippingRegion.GetRegion() );
-        gdk_gc_set_clip_region( m_bgGC, m_currentClippingRegion.GetRegion() );
-    }
+    GdkRegion* gdkRegion = NULL;
+    if (!m_currentClippingRegion.IsEmpty())
+        gdkRegion = m_currentClippingRegion.GetRegion();
+
+    gdk_gc_set_clip_region(m_penGC,   gdkRegion);
+    gdk_gc_set_clip_region(m_brushGC, gdkRegion);
+    gdk_gc_set_clip_region(m_textGC,  gdkRegion);
+    gdk_gc_set_clip_region(m_bgGC,    gdkRegion);
 }
 
 void wxWindowDCImpl::Destroy()
@@ -2535,4 +2365,10 @@ bool wxDCModule::OnInit()
 void wxDCModule::OnExit()
 {
     wxCleanUpGCPool();
+
+    for (int i = wxBRUSHSTYLE_LAST_HATCH - wxBRUSHSTYLE_FIRST_HATCH; i--; )
+    {
+        if (hatches[i])
+            g_object_unref(hatches[i]);
+    }
 }